题目:已知某投资中心的资本周转率为0.3次,销售成本率为60%,成本利润率为80%,则其投资报酬率为 ( )
2024-11-06
A42%
B22.5%
C14.4%
D6%
B22.5%
C14.4%
D6%
正确答案:C
试题解析:暂无